Tag Archives: pond filter

Gravity flow vs Pump Fed

Posted on June 2, 2012 by esearing

New pond builders rarely learn the significant differences in water gardens vs “ideal” koi ponds. We tend to borrow ideas from aquarium technology, water gardens, water treatment, industrial processes, and even the ideas tried and tested for a long period … Continue reading →

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Filter considerations for your pond

Posted on April 26, 2012 by esearing

Whether you own a garden puddle or extra large swimming pool for koi there are some things to consider when it comes to filtration. This article will not discuss which filter is best/worst but will hopefully help you narrow down … Continue reading →

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Mechanical Filter in a planter

Posted on March 16, 2012 by esearing

In thinking about various was to improve the mechanical filtration of my pond and to reduce debris entering my bio filter I have been thinking about various ways to strain the waste. Since my bottom drain is a retro fit … Continue reading →

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My box filter

Posted on January 22, 2012 by esearing

Here are a few shots of my main filter showing the dirt buildup. It acts as a mechanical and biological filter. Rectangular black polyethelene upflow filter with lid. It is a liquid shipping tote. Measurements: 44” long x 29” wide … Continue reading →

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Pond UV – Jebao CW-55

Posted on October 29, 2011 by esearing

I finally got around to purchasing a UV sterilizer despite the fact that the cooler weather has been effective in fighting algae. I had the opportunity recently to purchase a 120 watt UV sterilizer at near half price of $700, … Continue reading →

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Simple expandable mechanical filter

Posted on September 30, 2011 by esearing

In seraching for a basic mechanical filter I keep seeing water garden filters that might work for a koi pond but their openings are too small or they are too small to handle the 3600GPH flow I am circulating. So … Continue reading →

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Centrifugal Separator Filters

Posted on September 28, 2011 by esearing

I came across some interesting sites the last few days regarding centrifugal filters. These filters spin the water in a tube which throws the solids to the outer walls at high speed and downward to lower pressure collection areas at … Continue reading →

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Rotary Drum Filtration

Posted on September 24, 2011 by esearing

In my usual web surfing I came across a couple of discussions about Rotary Drum filters. A RDF is primarily a mechanical filter that uses a rotating screen to remove small and large particles from the water as it passes … Continue reading →

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September Pond Pictures and Maintenance

Posted on September 10, 2011 by esearing

The pond is still unfinished but here is a shot of its current state. You can see the rebuilt waterfall, veggie filter, black box bio filter (in back), and the waterco prefilter (on the left). You can see how the … Continue reading →

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Many filters for a pond

Posted on July 27, 2011 by esearing

Thinking continuously how to filter my pond with the goal of improving water quality I started to really look at what I have. I know I need at least 3 filters, mechanical, biological, and chemical in a closed circulating system. … Continue reading →

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